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Diisopropylethylamine → N-(2,6-dichlorobenzoyl)-4-(2-methoxyphenyl)-L-phenylalanine N-(tert-butyl)-N-hydroxyamide

HRID 24682
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HRID 24682 반응식
[Cl:1][C:2]1[CH:29]=[CH:28][CH:27]=[C:26]([Cl:30])[C:3]=1[C:4]([NH:6][C@H:7]([C:23](O)=[O:24])[CH2:8][C:9]1[CH:14]=[CH:13][C:12]([C:15]2[CH:20]=[CH:19][CH:18]=[CH:17][C:16]=2[O:21][CH3:22])=[CH:11][CH:10]=1)=[O:5].[C:31]([NH:35][OH:36])([CH3:34])([CH3:33])[CH3:32].CN([P+](ON1N=NC2C=CC=CC1=2)(N(C)C)N(C)C)C.F[P-](F)(F)(F)(F)F.CCN(C(C)C)C(C)C>C(Cl)Cl>[C:31]([N:35]([OH:36])[C:23](=[O:24])[C@H:7]([CH2:8][C:9]1[CH:10]=[CH:11][C:12]([C:15]2[CH:20]=[CH:19][CH:18]=[CH:17][C:16]=2[O:21][CH3:22])=[CH:13][CH:14]=1)[NH:6][C:4](=[O:5])[C:3]1[C:2]([Cl:1])=[CH:29][CH:28]=[CH:27][C:26]=1[Cl:30])([CH3:34])([CH3:33])[CH3:32]
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참가 물질

6

반응물 4

HCID 81531DiisopropylethylamineHCID 98586N-tert-butylhydroxylamineHCID 151348Benzotriazol-1-yloxy-tris(dimethylamino)phosphonium hexafluorophosphateHCID 53709169N-(2,6-dichlorobenzoyl)-4-(2-methoxyphenyl)-L-phenylalanine

생성물 1

HCID 54520142N-(2,6-dichlorobenzoyl)-4-(2-methoxyphenyl)-L-phenylalanine N-(tert-butyl)-N-hydroxyamide수율 65.1%

시약·촉매·용매 1

HCID 6344Dichloromethane용매

실험 절차

To a solution of N-(2,6-dichlorobenzoyl)-4-(2-methoxyphenyl)-L-phenylalanine (0.098 g) and tert-butylhydroxylamine (0.047 g) in CH2Cl2 (5 mL) was added BOP reagent (0.17 g) followed by DIEA (0.1 mL) and the mixture was stirred overnight at room temperature. The mixture was evaporated and the residue was dissolved in EtOAc (30 mL). The EtOAc solution was successively washed with 1 N HCl, satd. NaHCO3, satd. LiCl, dried (MgSO4), and concentrated. The residue was purified by preparative TLC (silica gel; eluent: hexane/EtOAc/CH2Cl2 6/1/1) and recrystallization from CH2Cl2/hexane to give 74 mg of N-(2,6-dichlorobenzoyl)-4-(2-methoxyphenyl)-L-phenylalanine N-(tert-butyl)-N-hydroxyamide. ESMS: m/z 515 (MH+).

후처리

  1. customThe mixture was evaporated
  2. dissolutionthe residue was dissolved in EtOAc (30 mL)
  3. washThe EtOAc solution was successively washed with 1 N HCl
  4. dry with materialLiCl, dried (MgSO4)
  5. concentrationconcentrated
  6. customThe residue was purified by preparative TLC (silica gel; eluent: hexane/EtOAc/CH2Cl2 6/1/1) and recrystallization from CH2Cl2/hexane

출처 및 근거

ORD 기록
ord-d66f4272403c48259e43dc1b6b2f2af1
출처 데이터셋
uspto-grants-2005_02
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US06855843B2

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